Last year, a small nation with abundant forests cut down
$200 worth of trees. It then turned $100 worth of trees into $150
worth of lumber. It used $100 worth of that lumber to produce $250
worth of bookshelves. Assuming the country produces no other
outputs, and there are no other inputs used in producing trees,
lumber, and bookshelves, what is this nation's GDP? In other words,
what is the value of the final goods the nation produced including
trees,...